Lock with digital control

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Description

FIG. 1 is a front elevational view of a lock with digital control showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

The right and left-hand sides are identical.

Referenced Cited
U.S. Patent Documents
D290442 June 23, 1987 Floyd et al.
3187528 June 1965 Check
4637237 January 20, 1987 Witkoski et al.
4671086 June 9, 1987 Fogleman et al.
Other references
  • Simplex Security Systems Brochure (Jun. 1986), p. 1, Series 3000 Pushbutton Combination Access Control Lock.
Patent History
Patent number: D305861
Type: Grant
Filed: Oct 13, 1987
Date of Patent: Feb 6, 1990
Assignee: Ferco International Usine de Ferrures de Batiment (Sarrebourg)
Inventor: Jean-Jacques Kautt (Strasbourg)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Sandler & Greenblum
Application Number: 7/107,031
Classifications
Current U.S. Class: D/8330